LC/APC To LC/APC Single Mode G.657.A2 Simplex Fiber Patch Cable, 1.2mm LSZH, 4.5m

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Key Features

LC/APC Connectors for Low-Reflection Single Mode Links

Both ends are terminated with LC/APC connectors. LC connectors are compact and widely used in high-density fiber distribution systems, while APC polishing helps reduce back reflection in single-mode optical links.

This makes the cable suitable for PON networks, FTTH access, CATV systems, ODF patching and telecom equipment connections, especially where return loss control is important. In fiber optic connectors, insertion loss and return loss are two key optical performance indicators for link quality evaluation.

G.657.A2 Bend-Insensitive Fiber

The cable uses G.657.A2 single mode fiber, which is optimized for tight routing and small bend radius applications. Compared with conventional G.652D fiber, G.657.A2 fiber is more suitable for compact installation areas such as wall boxes, distribution frames, equipment cabinets and FTTH terminal points.

FOCC internal training materials list G.657.A2 with a smaller bend radius capability than G.657.A1 and G.652D, making it more suitable for dense routing and limited-space fiber management.

1.2mm Slim Cable for High-Density Cabling

The 1.2mm cable diameter provides a thinner and lighter structure than traditional patch cords. It helps reduce cable accumulation in patch panels, ODF racks, optical terminal boxes and high-density equipment ports.

This design is especially useful where many fiber jumpers are installed in a limited space. It improves cable routing flexibility, reduces cabinet clutter and supports cleaner cable management.

LSZH Jacket for Indoor Safety

The cable is built with a LSZH low-smoke zero-halogen jacket, which is suitable for indoor communication rooms, equipment cabinets, data centers, office buildings and FTTH environments.

LSZH material produces less smoke and fewer toxic gases during combustion compared with standard PVC materials, making it a more suitable choice for indoor projects with higher fire safety requirements. Internal training materials also identify LSZH as a common indoor cable jacket material.

4.5m Practical Length for Equipment-Side Connection

The 4.5-meter length is suitable for short and medium-distance indoor fiber patching. It can be used for cabinet-to-device connections, ODF-to-equipment links, optical distribution box routing, fiber terminal box connections and FTTH indoor access links.

This length provides enough routing flexibility while helping avoid excessive cable loops inside cabinets.

Technical Specification

Application Scenarios

FTTH and FTTx Access Networks

This cable is suitable for FTTH indoor access, ONT/ONU connection, optical terminal box connection and fiber distribution inside residential or commercial buildings. The G.657.A2 fiber helps improve routing reliability where the cable needs to pass through narrow spaces or small turning areas.

PON and CATV Optical Links

The LC/APC connector is suitable for low-reflection single-mode systems, making this cable applicable to PON access networks, CATV optical transmission, splitter output connections and passive optical distribution networks.

ODF and Fiber Distribution Frame Patching

In ODF cabinets and fiber distribution panels, cable density and routing order are important. The 1.2mm slim jacket reduces space occupation and helps keep the patching area clean and easier to manage.

Telecom Cabinets and Equipment-Side Routing

For telecom cabinets, optical network equipment and compact device-side connections, this jumper provides a flexible routing solution. It is suitable for installations where standard 2.0mm or 3.0mm patch cords may occupy too much space.

Indoor High-Density Fiber Management

The slim simplex structure is useful in high-density indoor fiber cabling systems, especially where multiple LC connections are deployed in limited space.

QA, testing, and certification highlights

Each LC/APC to LC/APC G.657.A2 patch cord is manufactured as a finished optical assembly and tested before shipment. FOCC focuses on three control points: optical loss, APC end-face quality and product traceability.

Insertion loss is tested after final assembly to verify the actual performance of the completed jumper. For single-mode APC links, return loss testing can also be provided to help control back reflection in FTTH, PON, CATV and telecom access applications.

The LC/APC connector end face is polished and inspected to support stable physical contact and low reflection. For project orders requiring stricter quality documentation, APC end-face geometry can be controlled with reference to IEC 61755-3-2, and 3D interferometer inspection records can be arranged by batch or according to customer inspection requirements.

Optical testing can be aligned with recognized IEC 61300 methods, including insertion loss testing, return loss testing and random mating performance evaluation when required. Each cable can be supplied with product labels, length identification, batch information or barcode/serial traceability to support installation management and after-sales tracking.

For mechanical reliability, the 1.2mm slim cable should be installed with proper routing and bend control. Depending on the project specification, patch-cord retention, connector durability and repeatability can be verified. Typical quality targets may include 500+ mating cycles and stable attenuation repeatability under correct cleaning and mating conditions.

RoHS, REACH, LSZH/LS0H and other compliance documents can be supplied when available. Fire, smoke and halogen-related claims should always follow the actual material certificate used for the order.

FAQ

Is G.657.A2 compatible with standard single-mode networks?

Yes. G.657.A2 is a bend-insensitive single-mode fiber designed for tighter routing environments while remaining suitable for mainstream single-mode access and distribution networks. It is commonly used where standard single-mode transmission is required but the cable may need to pass through compact cabinets, wall boxes, ODFs or FTTH terminal areas.

Why does this patch cord use LC/APC connectors on both ends?

LC/APC is selected for compact single-mode connections where low back reflection is important. The LC connector helps save port space, while APC polishing helps reduce reflected light returning toward the transmitter. This makes the product suitable for FTTH, PON, CATV, ODF and other reflection-sensitive optical links.

What is the practical value of the 1.2mm cable diameter?

The 1.2mm structure is mainly valuable in dense indoor routing. Compared with conventional 2.0mm or 3.0mm patch cords, it occupies less space in cabinets, patch panels and fiber terminal boxes. This helps reduce cable congestion and makes the routing area easier to manage. Because it is a slim cable, installers should avoid excessive pulling, sharp bending and cable crushing during installation.

Can this product be supplied in 4.5m and other custom lengths?

Yes. The 4.5m length is suitable for medium-short equipment-side routing, such as ODF-to-device, cabinet-to-panel or terminal-box-to-equipment connections. FOCC can also supply custom lengths according to project routing requirements, helping customers reduce excess cable loops inside cabinets.

What QA documents can FOCC provide for this cable?

Depending on the order requirement, FOCC can provide insertion loss test data, return loss test data, end-face inspection records, batch information, product labels and packaging identification. For stricter telecom or OEM projects, additional inspection requirements such as 3D end-face geometry records, barcode traceability or customized test reports can be discussed before production.

Is LSZH necessary for this product?

LSZH is recommended for indoor communication rooms, FTTH access points, office buildings and telecom cabinets where fire safety and low-smoke performance are important. However, the exact LSZH fire, smoke or halogen performance should be based on the actual jacket material certificate used for the production batch.